STATE ROUTE 57
STATE ROUTE 57 in 12-Ora-057-20.38-Bre, Orange County, California received a condition grade of B (75/100). Built in 1971, the bridge carries 245K vehicles daily on STATE ROUTE 57 over Birch Street.
Component Ratings
The riding surface — evaluated for cracking, spalling, and wear
Beams, girders, and trusses that support the deck
Piers, abutments, and foundations below the deck
Bridge Details
About This Bridge
STATE ROUTE 57 is a 55-year-old bridge located 12-Ora-057-20.38-Bre in Orange County, California. The bridge carries STATE ROUTE 57 over Birch Street with 11 traffic lanes, handling approximately 245K vehicles per day. Built in 1971 and reconstructed in 2013, the structure spans 53 meters.
The bridge received a Condition Grade of B (75/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
STATE ROUTE 57 has a Condition Score of 75/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
STATE ROUTE 57 was built in 1971 and reconstructed in 2013, making it 55 years old. The average bridge age in the United States is 48 years.
STATE ROUTE 57 carries approximately 245K vehicles per day (average daily traffic). The bridge has 11 traffic lanes. It is 53 meters long and located on STATE ROUTE 57 in 12-Ora-057-20.38-Bre, Orange County, California.
No, STATE ROUTE 57 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
STATE ROUTE 57 is located 12-Ora-057-20.38-Bre in Orange County, California. The bridge carries STATE ROUTE 57 over Birch Street. Its coordinates are 33.917761, -117.880683. It is maintained by State Highway Agency.
STATE ROUTE 57 carries STATE ROUTE 57 over Birch Street. The bridge is 53 meters long and was built in 1971, with reconstruction in 2013.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.